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Masses of heavy tetraquarks with hidden charm and bottom

  • Session “Quantum Field Theory and Theory of Elementary Particles”
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Abstract

The relativistic model of heavy tetraquarks is formulated within the diquark-antidiquark picture. The diquark structure is taken into account by the diquark-gluon form factor. New experimental data on charmonium-like states above open charm threshold are discussed. The obtained results indicate that X(3872), Y(4140), Y(4260), Y(4360), Z 2(4250), Z(4433) and Y(4660) could be tetraquark states with hidden charm. Predictions for the masses of bottom counterparts to the charm tetraquark candidates are given.

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References

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Ebert, D., Faustov, R.N. & Galkin, V.O. Masses of heavy tetraquarks with hidden charm and bottom. Phys. Part. Nuclei 41, 931–934 (2010). https://doi.org/10.1134/S1063779610060225

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  • DOI: https://doi.org/10.1134/S1063779610060225

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